References
- Chu , V. 1968 . Thailand Today , New York : Crowell .
- Dennis , W. 1966 . Group Values Through Children's Drawings , New York : Wiley .
- Gardiner , H. W. 1969 . A cross-cultural comparison of hostility in children's drawings . J. Soc. Psychol. , 79 : 261 – 263 .